GHSA-482J-2PQ6-Q5W4 Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed

Summary The /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLECODEEXECUTION=false. The feature gate is not enforced on the API endpoint — the configuration says "disabled" but code still executes. Details The...

Authorization Bypass Through User-Controlled Key

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the hasaccesstofile process. An attacker can permanently delete files owned by other users, as well as read or modify their contents, by leveraging access t...

Open WebUI: Unauthenticated endpoint can trigger embedding generation (cost/DoS)

Summary GET /api/v1/memories/ef is accessible without authentication and executes request.app.state.EMBEDDINGFUNCTION.... This allows any unauthenticated caller to trigger embedding generation which can lead to direct cost exposure if a paid provider is used. Code reference:...

Authorization Bypass Through User-Controlled Key

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the GET /api/v1/notes/noteid endpoint due to missing authorization checks. An attacker can access and retrieve notes belonging to other users by manipulatin...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper sanitization order in the Banner component. An attacker can execute arbitrary JavaScript in the context of privileged users by injecting malicious payloads into the banne...

NPM: Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order

NPM: Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order vulnerability discovered by ? in WordPress Npm open-webui versions = 0.7.2...

hubzoid (>=0.2.2 <=0.4.5), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-45402 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-45402 Source advisory: SNYK:PYTHON-OPENWEBUI-16755448...

hubzoid (>=0.2.2 <=0.4.5), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-45402 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-45402 Source advisory: OSV:GHSA-R472-MW7M-967F...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the profileimageurl process. An attacker can execute arbitrary JavaScript in the context of another authenticated user's session by crafting a malicious SVG image as their OAuth...

hubzoid (>=0.2.2 <=0.4.5), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by unknown CVE via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: unknown CVE Source advisory: OSV:GHSA-3WGJ-C2HG-VM6Q...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through getcontentfromurl in retrieval/utils.py, SafeWebBaseLoader in web/base.py, and imageedits in routers/images.py. An attacker can cause the server to fetch internal...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the validateurl function in the URL parsing and request-routing path. An attacker can reach internal or loopback targets by supplying a URL containing a backslash, tab...

Open WebUI has a Server-Side Request Forgery (SSRF) bypass in `validate_url`

Summary In the open-webui project, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. Details In the current project, URL validation is performed using the function validateurl. The current checking logic uses urlparse to parse the hostname part ...

hubzoid (>=0.2.2 <=0.4.5), openwebui-token-tracking (>=0.1.7 <=0.1.10) +1 more potentially affected by CVE-2026-45400 via open-webui (>=0.6.0 <=0.8.8)

open-webui PYPI version =0.6.0, =0.2.2, =0.1.7, =0.1.0, =0.1.5 Source cves: CVE-2026-45400 Source advisory: OSV:GHSA-8W7Q-Q5JP-JVGX...

Open WebUI: Low-privilege authenticated users can enumerate and stop global background tasks, causing system-wide chat disruption

Summary Any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via the GET /api/tasks and POST /api/tasks/stop/taskid methods. This allows a casual user to disrupt system-wide chat usage by continuously canceling...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization in the GET /api/tasks and POST /api/tasks/stop/taskid endpoints, which lack proper ownership checks. An attacker can enumerate and terminate background tasks belonging to other users by...

Authorization Bypass Through User-Controlled Key

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the retrieval process, specifically when validating access to knowledge base collections by UUID. An attacker can access, modify, or delete another user's...

Missing Authentication for Critical Function

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the getstatus function. An attacker can access sensitive configuration details by sending an unauthenticated HTTP GET request to the affected endpoint...

Open WebUI Vulnerable to Unauthenticated RAG Configuration Disclosure

Vulnerability Type: Information Disclosure / Missing Authentication Severity: Medium Component: backend/openwebui/routers/retrieval.py — getstatus GET / Affected Endpoint: GET /api/v1/retrieval/ Affected Version: Open WebUI main branch — confirmed unpatched through v0.9.2 Authentication Required:...

GHSA-65PG-QHHW-MXWG Open WebUI Vulnerable to Unauthenticated RAG Configuration Disclosure

Vulnerability Type: Information Disclosure / Missing Authentication Severity: Medium Component: backend/openwebui/routers/retrieval.py — getstatus GET / Affected Endpoint: GET /api/v1/retrieval/ Affected Version: Open WebUI main branch — confirmed unpatched through v0.9.2 Authentication Required:...